Envelope



' cordance with my invention;

envelope extends across the Patented Nov. 16, 1943- UNITED STATE s, PATIENT orrlce ENVELOPE Albert Kerr, Burkefllex.

9, 1942, Serial No. 431,576

(craze-'11) Application February 1 1 Claim;

on and the name and address of the addressee. I

In the accompanying'drawing: Figure 1 is a face view of an envelope in ac- Figure 2 is a perspective view of one end of the Figure 3 is a sectional view taken along the line 3-3 of Figure 1; and

Figure 4 is a view similar to Figure 2 but illustrating the envelope ,tornpartly open.

In the embodiment selected to vention, the envelope 101s provided with an opening l2 in its front face, which opening intersects one end of the wall l4 and terminates slightly short of its other end. A transparent sheet l6 opening l2 and is secured to the marginal edges l8 of the face l4, whichface is provided with two lines of perforations 20, adjacent the long edges of the sheet 16, The enillustrate my in velope'is open at 22 when sealed so that oneend of the sheet I6 may be grasped to tear the envelope open along the perforated lines 20. I

The letter or enclosure 24 is provided with the name and address of the sender, as at 26, and so arranged as to be visible through the opening l2. The name and address of the addressee is also printed on the enclosurajas at 28, to be visible through the opening l2. Thus I eliminate the necessity of printing the return address on the en: velope, which name andaddress may be so arranged on the statement or letterhead as to be readable through the opening I2. The name and address" of the addressee,

through the opening i2. In addition, the envelope tears'easily for opening purposes.

Without ,further elaboration, the foregoing will so fully illustrate my invention, that others may, by applying current knowledge, readily adapt the same for use under various conditions of service.

I claim: An envelope having a wall provided with an opening extending and a transparent sheet extending across said opening and secured to said wall, said wall being perforated along two edges of said transparent sheet and'up to said end, said transparent sheet overlapping edge margins of said one wall adjacent said opening, said one wall and said transparent sheet being detached from the envelope at said one end throughout the space between the perforations at the two edges of the transparent sheet.

ALBERT KERR.

which usually appear I on the letter or statement, are also readable through one end of that wall, 

